196210770165 has 48 divisors (see below), whose sum is σ = 347954880000. Its totient is φ = 102255768576.

The previous prime is 196210770157. The next prime is 196210770169. The reversal of 196210770165 is 561077012691.

196210770165 is a `hidden beast` number, since 1 + 9 + 621 + 0 + 7 + 7 + 0 + 16 + 5 = 666.

It is not a de Polignac number, because 196210770165 - 2³ = 196210770157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 196210770165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196210770169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60336 + ... + 629334.

It is an arithmetic number, because the mean of its divisors is an integer number (7249060000).

Almost surely, 2^196210770165 is an apocalyptic number.

196210770165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196210770165 is a deficient number, since it is larger than the sum of its proper divisors (151744109835).

196210770165 is a wasteful number, since it uses less digits than its factorization.

196210770165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569186 (or 569183 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 196210770165 in words is "one hundred ninety-six billion, two hundred ten million, seven hundred seventy thousand, one hundred sixty-five".